Hello Yahya, 

Most of the other top colleges in business management have a higher cut off that the percentile you mentioned (based on 2018 trends). Since you did not mention a specific college I cannot give you a more specific answer.  But most of the top colleges that accept students through CET have a higher cut off than you mentioned. However, there are a few other colleges you can apply to other than IBS Mumbai. Colleges that will accept your percentile include : 

1. XIMR, mumbai

2. Vivekananda Education Society's Institute of Management studies and Research

3. Don Bosco Institute of Technology

4. Maharashtra Institute of Technology

And also quite a few more. 

You can check out expected 2019 cut offs and earlier year cut offs (2017)  of various colleges here:  https://www.google.com/amp/s/bschool.careers360.com/articles/mah-cet-cutoff/amp